SAWANA Relay ST3PA-E without socket AC220V

06/29/2020

Compression ratio of American Copeland compressor

07/16/2020

Vacuum leak test method for small cold storage equipment

Refrigeration systems with evaporating pressure gauges close to or below atmospheric pressure must be tested for vacuum leak tests, leaving the refrigeration equipment under proper vacuum for a certain period of time, reflecting and observing whether air has penetrated into the system from the reading of the vacuum pressure gauge for inspection The sealing performance of the cold storage equipment system.

09/10/2020

Innovative filtration technology in the automotive industry

This article focuses on some innovative filtration and separation technologies used in the automotive industry. The article focuses on the application of these technologies in the field of engine manufacturing.

02/21/2023

Working Principle of Butterfly Valve and Emergence of New Butterfly Valve

Butterfly valve is a kind of valve that opens, closes, and adjust medium flow by using disc type hoist to turn back and forth about 90 °.

07/29/2020

Common sense of wire and cable calculation

What is the maximum current and power that a square wire can pass? How much wire is used for 100KW of electricity for project construction? Large wires cause waste, and small wires have more serious consequences. Here I share with you my estimation experience.

01/02/2025

FANUC Spindle Amplifier Alarm Codes and Solutions (3)

The following is a continuation of the previous article, and introduces FANUC spindle drive alarm codes 47-73.

06/21/2020

Structure of rotary piston compressor_Characteristics of rotary piston compressor

Structure of rotary piston compressor_Characteristics of rotary piston compressor <img src="{{media url=&quot;Structure_of_rotary_piston_compressor_Characteristics_of_rotary_piston_compressor.jpg&quot;}}" alt="" />Structure of rotary piston compressor 　　 Rotary piston compressor, also known as rolling rotor compressor, is mainly composed of 3 parts: casing, motor assembly and compressor assembly. Since there is no reciprocating part, the space volume can be reduced, making the whole structure compact and light.

08/13/2020

Acceptance standards after the cold storage design and installation are completed

A newly built cold storage, when it's time for acceptance, it will definitely be anxious. How can it be accepted to ensure quality and quantity? The editor of okmarts.com will briefly introduce it below.

01/20/2021

On-board oil-free air compressor, after reading these faults, you can solve them by hand

1. Excessive temperature rise 　　Excessive temperature rise is a common fault during the operation of vehicle-mounted air compressors. Vehicle-mounted oil-free air compressors often operate at high temperatures,

08/09/2020

Common fault solutions and improvement measures of air energy heat pump compressor

The air energy heat pump system is widely used in hot water, heating, drying and other fields. Its characteristic is that most of the heat energy comes from the low temperature heat energy in the air energy,